Implemented case statements

src/builtin/cd.rs

@@ -1,4 +1,4 @@
-use crate::{parse::parse::{Node, NdRule}, prelude::*};
+use crate::prelude::*;
 
 pub fn cd(node: Node, shenv: &mut ShEnv) -> ShResult<()> {
 	let rule = node.into_rule();